coderzc commented on code in PR #21917:
URL: https://github.com/apache/pulsar/pull/21917#discussion_r1458168546
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pulsar-broker/src/main/java/org/apache/pulsar/client/impl/RawBatchConverter.java:
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@@ -135,7 +135,8 @@ public static Optional<RawMessage>
rebatchMessage(RawMessage msg,
msg.getMessageIdData().getPartition(),
i);
if (!singleMessageMetadata.hasPartitionKey()) {
- if (retainNullKey) {
+ // we may read compacted out message from compacted topic,
which do not have partition key too.
+ if (retainNullKey &&
!singleMessageMetadata.isCompactedOut()) {
Review Comment:
Can we move the `isCompactedOut` judgment outside?
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